Update Smack to the 4th version (4.1.7)
Update Smack to the latest version. Clone this ticket for the next Spark version.
Smack 4.1.7 is in. Some things are still broken (Fastpath), but this can be tracked as a separate issue.
4.1.1 version at the moment.
By the time it will get updated the Smack may be at 4.2.0+ version and this may affect some users